之前寫過一個用C++讀憑證，雖然C#也可以直接用API來寫，不過.NET本身其實有內建簡單的憑證類別可以使用（但很多東西還是沒有～），如果想要讀取憑證的簡單資訊倒是可以直接使用。
之前寫過一個用C++讀憑證，雖然C#也可以直接用API來寫，不過.NET本身其實有內建簡單的憑證類別可以使用（但很多東西還是沒有～），如果想要讀取憑證的簡單資訊倒是可以直接使用。Namespace在System.Security.Cryptography.X509Certificates下。
X509Store store = new X509Store(StoreLocation.CurrentUser);
store.Open(OpenFlags.ReadOnly);
X509Certificate2Collection storecollection2 = (X509Certificate2Collection)store.Certificates;
TreeNode mybox = new TreeNode(store.Name);
_computer.Nodes.Add(mybox);
_myCertDict.Clear();
foreach (X509Certificate2 x509 in storecollection2)
{
TreeNode n = new TreeNode(x509.Subject);
mybox.Nodes.Add(n);
}
store.Close();
另外，Windows API其實有一個可以檢視憑證的資訊的Dialog，所以如果想要檢視憑證資訊的話可以拿來用一下，這樣就不用自己寫啦～。
[DllImport("CryptUI.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern Boolean CryptUIDlgViewCertificate(
ref CRYPTUI_VIEWCERTIFICATE_STRUCT pCertViewInfo,
ref bool pfPropertiesChanged
);
public struct CRYPTUI_VIEWCERTIFICATE_STRUCT
{
public int dwSize;
public IntPtr hwndParent;
public int dwFlags;
[MarshalAs(UnmanagedType.LPWStr)]
public String szTitle;
public IntPtr pCertContext;
public IntPtr rgszPurposes;
public int cPurposes;
public IntPtr pCryptProviderData; // or hWVTStateData
public Boolean fpCryptProviderDataTrustedUsage;
public int idxSigner;
public int idxCert;
public Boolean fCounterSigner;
public int idxCounterSigner;
public int cStores;
public IntPtr rghStores;
public int cPropSheetPages;
public IntPtr rgPropSheetPages;
public int nStartPage;
}
private void showCert(X509Certificate2 cert)
{
// Show the cert
CRYPTUI_VIEWCERTIFICATE_STRUCT certViewInfo = new CRYPTUI_VIEWCERTIFICATE_STRUCT();
certViewInfo.dwSize = Marshal.SizeOf(certViewInfo);
certViewInfo.pCertContext = cert.Handle;
certViewInfo.szTitle = "Certificate Info";
certViewInfo.dwFlags = CRYPTUI_DISABLE_ADDTOSTORE;
certViewInfo.nStartPage = 0;
bool fPropertiesChanged = false;
if (!CryptUIDlgViewCertificate(ref certViewInfo, ref fPropertiesChanged))
{
//int error = Marshal.GetLastWin32Error();
//MessageBox.Show(error.ToString());
}
}
Dotblogs 的標籤: C#,Certificate
